﻿#region Copyright (c) 2000-2008 Developer Express Inc.
/*
{*******************************************************************}
{                                                                   }
{       Developer Express .NET Component Library                    }
{       AgDataGrid                                 }
{                                                                   }
{       Copyright (c) 2000-2008 Developer Express Inc.              }
{       ALL RIGHTS RESERVED                                         }
{                                                                   }
{   The entire contents of this file is protected by U.S. and       }
{   International Copyright Laws. Unauthorized reproduction,        }
{   reverse-engineering, and distribution of all or any portion of  }
{   the code contained in this file is strictly prohibited and may  }
{   result in severe civil and criminal penalties and will be       }
{   prosecuted to the maximum extent possible under the law.        }
{                                                                   }
{   RESTRICTIONS                                                    }
{                                                                   }
{   THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES           }
{   ARE CONFIDENTIAL AND PROPRIETARY TRADE                          }
{   SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS   }
{   LICENSED TO DISTRIBUTE THE PRODUCT AND ALL ACCOMPANYING .NET    }
{   CONTROLS AS PART OF AN EXECUTABLE PROGRAM ONLY.                 }
{                                                                   }
{   THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED      }
{   FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE        }
{   COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE       }
{   AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT  }
{   AND PERMISSION FROM DEVELOPER EXPRESS INC.                      }
{                                                                   }
{   CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON       }
{   ADDITIONAL RESTRICTIONS.                                        }
{                                                                   }
{*******************************************************************}
*/
#endregion Copyright (c) 2000-2008 Developer Express Inc.

using System.Windows;
namespace DevExpress.AgDataGrid.Internal {
	public interface IResizableObject {
		double Size { get; set; }
		double MinSize { get; }
		double MaxSize { get; }
	}
	public class ResizingController {
		IResizableObject resizableObject;
		double startPosition, startObjectSize;
		public ResizingController(IResizableObject resizableObject, double startPosition) {
			this.resizableObject = resizableObject;
			this.startObjectSize = resizableObject.Size;
			this.startPosition = startPosition;
		}
		public IResizableObject ResizableObject { get { return resizableObject; } }
		public double StartPosition { get { return startPosition; } }
		public double StartObjectSize { get { return startObjectSize; } }
		public void MouseMove(double moveTo) {
			double newSize = StartObjectSize + moveTo - startPosition;
			if(newSize < resizableObject.MinSize) {
				newSize = resizableObject.MinSize;
			}
			if(resizableObject.MaxSize > 0 && newSize > resizableObject.MaxSize) {
				newSize = resizableObject.MaxSize;
			}
			ResizableObject.Size = newSize;
		}
	}
}
